John E. Colwell Books

Living the Christian Story

By John E. Colwell, John Colwell

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Be Afraid

By John E. Colwell, Joseph Haward

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Why have you forsaken me

By John E. Colwell

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In this powerful book on the experience of desolation John Colwell focuses on Psalm 22, read in the light of his own struggle with bi-polar disorder and the Christian belief that God the Son suffer...

Promise and Presence

By John E. Colwell

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The Rhythm of Doctrine

By John E. Colwell

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Why Have You Forsaken Me

By John E. Colwell

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Recovering the Evangelical Sacrament

By John E. Colwell, Anthony R. Cross

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Be Afraid

By John E. Colwell, Joseph Haward

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Recovering the Evangelical Sacrament

By John E. Colwell, Anthony R. Cross

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Ministry in Conversation

By John E. Colwell, Andy Goodliff

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How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

If you’re in the world of books—whether as a publisher, librarian, bookseller, or avid collector—you’ve likely come across the terms ISBN-10 and ISBN-13. Understanding these formats and knowing how to convert between them is essential for maintaining consistency and compatibility in book records. In this post, we’ll cover everything you need to know about ISBN conversions, step by step.

What is an EAN and How Does it Relate to an ISBN?

If you’ve ever purchased a product online or in a store, you’ve likely come across a barcode. Behind these barcodes lies a standardized system that makes modern commerce possible. Two key codes often encountered are the EAN (European Article Number) and ISBN (International Standard Book Number). But what are they, how are they connected, and why are they so crucial? Let’s explore.